Soul Barrel Brewing Ale of Origin Gueuze - Oak Aged South African Sour BeerAle of Origin Gueuze is the latest edition of Soul Barrel's spontaneously fermented South African Lambic. This extraordinary beer was spontaneously fermented according to traditional Lambic methods: it was fermented with only with wild yeast blown in from the wind from the surrounding fruit farms into our coolship, a giant ancient wine tank in our historical cellar. After brewing a laborious, old world turbid mash of local raw wheat and barley, the